Home / 274,214,164.89-378,415,506.62-156,742,017.57

Finding the Fourth Proportional to 274,214,164.89, 378,415,506.62 and 156,742,017.57

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Solution

The fourth proportional to 274,214,164.89, 378,415,506.62 and 156,742,017.57 is: 216,303,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,164.89 : 378,415,506.62 = 156,742,017.57 : x
  2. Step 2: Convert to fraction form
    274,214,164.89/378,415,506.62 = 156,742,017.57/x
  3. Step 3: Cross multiply
    274,214,164.89x = 378,415,506.62 × 156,742,017.57
  4. Step 4: Simplify right side
    274,214,164.89x = 59,313,609,986,608,784
  5. Step 5: Solve for x
    x = 59,313,609,986,608,784/274,214,164.89
  6. Step 6: Final answer
    x = 216,303,960.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.